{"id":183346,"date":"2026-09-14T10:53:47","date_gmt":"2026-09-14T08:53:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/ubuntu-26-10-polnostyu-perevedyon-na-rust-coreutils"},"modified":"2026-09-14T10:53:51","modified_gmt":"2026-09-14T08:53:51","slug":"ubuntu-26-10-fully-switches-to-rust-coreutils","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/ubuntu-26-10-fully-switches-to-rust-coreutils","title":{"rendered":"Ubuntu 26.10 compl\u00e8tement migr\u00e9 vers Rust Coreutils","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Dans le d\u00e9p\u00f4t de la distribution Ubuntu 26.10, dont la sortie est pr\u00e9vue pour le 15 octobre, une transition compl\u00e8te vers l'outil uutils coreutils (Rust Coreutils), \u00e9crit en Rust, a \u00e9t\u00e9 effectu\u00e9e. Les utilitaires de Rust Coreutils ont enti\u00e8rement remplac\u00e9 tous les composants du paquet GNU Coreutils, y compris les utilitaires cp, mv et rm, qui \u00e9taient fournis dans Ubuntu 26.04 dans leur version de GNU Coreutils. <\/p>\n

Le paquet rust-coreutils a initialement \u00e9t\u00e9 inclus par d\u00e9faut dans la version d'Ubuntu 25.10, mais une r\u00e9gression a eu lieu dans la branche LTS d'Ubuntu 26.04, r\u00e9introduisant les utilitaires cp, mv et rm du jeu GNU Coreutils. Les variantes cp, mv et rm ont \u00e9t\u00e9 restaur\u00e9es en raison de probl\u00e8mes de s\u00e9curit\u00e9 identifi\u00e9s lors de l'audit de la base de code de Rust Coreutils. La majorit\u00e9 des vuln\u00e9rabilit\u00e9s dans Rust Coreutils sont caus\u00e9es par des conditions de concurrence, permettant de modifier des donn\u00e9es juste apr\u00e8s la v\u00e9rification de leur validit\u00e9, mais avant l'ex\u00e9cution de l'op\u00e9ration (TOCTOU \u2014 Time-Of-Check-To-Time-Of-Use). Parmi d'autres, de telles vuln\u00e9rabilit\u00e9s permettent de remplacer un fichier par un lien symbolique entre la fin de la v\u00e9rification et le d\u00e9but de l'ex\u00e9cution de l'op\u00e9ration. <\/p>\n

Dans le contexte de l'utilisation des utilitaires cp, mv et rm dans des scripts syst\u00e8me ex\u00e9cut\u00e9s avec les droits root, l'insertion d'un lien symbolique permet de copier, \u00e9craser ou supprimer des fichiers arbitraires. Par exemple, lors de la suppression r\u00e9cursive de r\u00e9pertoires, l'utilitaire rm v\u00e9rifiait d'abord tous les r\u00e9pertoires, puis les supprimait s\u00e9quentiellement dans l'ordre inverse en appelant la fonction rmdir(). Si l'on remplace le r\u00e9pertoire parent par un lien symbolique juste apr\u00e8s la v\u00e9rification de ce r\u00e9pertoire, mais avant la v\u00e9rification des r\u00e9pertoires enfants, il est possible de supprimer n'importe quel r\u00e9pertoire dans le syst\u00e8me lors de l'ex\u00e9cution quotidienne d'un script cron \/etc\/cron.daily\/apport, qui, fonctionnant avec les droits root, supprime r\u00e9cursivement le contenu du r\u00e9pertoire \/var\/crash, accessible en \u00e9criture \u00e0 tous les utilisateurs du syst\u00e8me.
\n
Source : opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0439 \u0431\u0430\u0437\u0435 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Ubuntu 26.10, \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 15 \u043e\u043a\u0442\u044f\u0431\u0440\u044f, \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u0451\u043d \u043f\u043e\u043b\u043d\u044b\u0439 \u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u043d\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 uutils coreutils (Rust Coreutils), \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u0423\u0442\u0438\u043b\u0438\u0442\u044b \u0438\u0437 \u0441\u043e\u0441\u0442\u0430\u0432\u0430 Rust Coreutils \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0437\u0430\u043c\u0435\u043d\u0438\u043b\u0438 \u0432\u0441\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u043f\u0430\u043a\u0435\u0442\u0430 GNU Coreutils, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0443\u0442\u0438\u043b\u0438\u0442\u044b cp, mv \u0438 rm, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432 Ubuntu 26.04 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u043b\u0438\u0441\u044c \u0432 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0435 \u0438\u0437 GNU Coreutils. \u041f\u0430\u043a\u0435\u0442 rust-coreutils 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